 In 1450, the conflict officially came to an end, as Mikail and Gabriel agreed to recognize the Sabatarians' observance of the Sabbath, and the Sabbatarians agreed to adopt the sacrament of Holy Orders, which they had previously considered to be illegitimate due to its dependence on the authority of the church in Alexandria.With the emergence of Islam in the 7th century, Ethiopia's Christians became isolated from the rest of the Christian world.The head of the Ethiopian church has been appointed by the patriarch of the Coptic church in Egypt, and Ethiopian monks had certain rights in the church of the Holy Sepulchre in Jerusalem.